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  VS Arduino › Visual Micro › Visual Studio 2017, 2019, 2022 › Debugger free memory report causes compile error
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Hot Topic (More than 8 Replies) Debugger free memory report causes compile error (Read 7380 times)
Bob Jones
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Debugger free memory report causes compile error
Feb 1st, 2016 at 4:23pm
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I updated Visual Studio 2015 to the latest version of VM last night and immediately encountered compile problems as shown in the attached output.txt. Interestingly the code compiles and uploads in release mode but not in debug mode. Here are the diagnostics:

Severity      Code      Description      Project      File      Line      Suppression State
Error            error: ld returned 1 exit status            collect2.exe            
Warning            int servoPin = navigator.getServoPin()                        
Warning            #define MAX_SERVOS   (_Nbr_16timers  * SERVOS_PER_TIMER)                        
Warning            #define MAX_SERVOS 0                        
Warning            this is the location of the previous definition            C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\Extensions\qmpnclth.gn3\Micro Platforms\default\debuggers\VM_DBG\VM_Boards.h      19      
Warning            undefined reference to `_VM_freeMemory            C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\Extensions\qmpnclth.gn3\Micro Platforms\default\debuggers\VM_DBG\VM_DBG.cpp      857      
Warning            In file included from            C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\Extensions\qmpnclth.gn3\Micro Platforms\default\debuggers\VM_DBG\VM_DBG.h      73      
Warning            In function `VisualMicroDebug::printFreeMemory()            M_DBG.cpp.o      -1      
Warning            80:0: warning: "MAX_SERVOS" redefined [enabled by default]            D:\users\Bob.ObigOne\Documents\Arduino\libraries\Servo\src\Servo.h      80      
Warning            from            D:\Users\Bob.ObigOne\Documents\Arduino\Rover\Rover.ino      44      
Warning            In file included from            D:\Users\Bob.ObigOne\Documents\Arduino\Rover\Rover.ino      66      
Warning            In member function 'void BJTestCases::servoTestCycle(int)            s\src\BJTestCases.cpp            
Warning            186:6: warning: unused variable 'servoPin' [-Wunused-variable]            s\src\BJTestCases.cpp            

« Last Edit: Feb 2nd, 2016 at 10:53pm by Tim@Visual Micro »  
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Tim@Visual Micro
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Re: Compile problems with latest VM release
Reply #1 - Feb 1st, 2016 at 4:37pm
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Thanks, that is a problem with the live free memory reporting.

Please switch off project properties > auto reports> free memory

Or confirm if you have used a {special variable} to force the free memory report.

This will get fixed but the above will prove the issue.

Thanks
  
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Bob Jones
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Re: Compile problems with latest VM release
Reply #2 - Feb 1st, 2016 at 5:07pm
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That fixed the problem. Thanks, Tim.
  
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Linas
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Re: Compile problems with latest VM release
Reply #3 - Feb 2nd, 2016 at 7:25pm
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I've got same problem since yesterday update:

VM_DBG.cpp.o:In function `VisualMicroDebug::printFreeMemory()
VM_DBG.cpp:undefined reference to `_VM_freeMemory
collect2.exe*:error: ld returned 1 exit status
Error creating .elf
  
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Bob Jones
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Re: Compile problems with latest VM release
Reply #4 - Feb 2nd, 2016 at 7:28pm
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Did you turn off auto reports -> free memory? 

That worked for me.
  
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Tim@Visual Micro
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Re: Compile problems with latest VM release
Reply #5 - Feb 2nd, 2016 at 7:29pm
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Hi Linas,

Thanks for the post.

You do not say if you read my workaround/solution earlier in this post?
  
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Re: Compile problems with latest VM release
Reply #6 - Feb 2nd, 2016 at 7:30pm
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Yes, Bob. I did it yesterday but I would like to see this feature sometimes.
  
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Re: Debugger free memory report causes compile error
Reply #7 - Feb 2nd, 2016 at 8:43pm
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Thanks it will be fixed very soon. that is what this means

Quote:
This will get fixed but the above will prove the issue


Smiley
« Last Edit: Feb 2nd, 2016 at 10:53pm by Tim@Visual Micro »  
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Re: Debugger free memory report causes compile error
Reply #8 - Feb 6th, 2016 at 7:43pm
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Fixed in 1602.6. Sorry for the delay.
  
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